ATMEGA2561-16AU vs ATMEGA2561-16AUR Comparison
Detailed side-by-side comparison of ATMEGA2561-16AU by Microchip Technology and ATMEGA2561-16AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA2561-16AU - 8-Bit AVR MCU 16MHz 256KB Flash | Microchip
ATMEGA2561-16AU ✓ ActiveMicrochip Technology
ATMEGA2561-16AUR - 8-bit AVR MCU 256KB 16MHz | Microchip
ATMEGA2561-16AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA2561-16AU | ATMEGA2561-16AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.95 | $15.98 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Flash Memory | 256 KB (128K x 16) | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Maximum Clock Frequency | 16 MHz | — |
| MIPS Throughput | 16 MIPS | — |
| Operating Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| General-Purpose I/O Lines | 86 | — |
| Working Registers | 32 | 32 general purpose registers |
| USART | 4 | Four programmable serial USART |
| 2-Wire Interface (TWI) | Yes (I2C-compatible) | — |
| SPI | Yes | — |
| Timer/Counters | 6 (with PWM) | Six flexible timer/counters with compare modes and PWM |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Package | 64-pin TQFP (14x14 mm) | 64-TQFP (14 x 14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| JTAG / OCD | Supported | — |
| RoHS Status | Compliant (Green) | Compliant |
| Flash Memory | — | 256 KB (128K x 16), ISP programmable |
| Maximum CPU Speed | — | 16 MHz |
| Throughput | — | 16 MIPS at 16 MHz |
| General Purpose I/O | — | 54 I/O lines |
| Serial Interfaces | — | SPI, TWI (I2C-compatible 2-wire) |
| Analog Comparator | — | On-chip, 1 channel |
| Watchdog Timer | — | Programmable, with separate on-chip oscillator |
| Real-Time Counter | — | Yes, with separate oscillator (TOSC1/TOSC2) |
| Pin Change Interrupt | — | Interrupt and wake-up on pin change |